T13 WHS risks of preparing and using recycled timber (5 marks) · Industrial Technology Timber

T13 · WHS risks of preparing and using recycled timber (5 marks)

Fits: 2024 Q15 (5) · 150 words · 5 chunks

T13.1 · MetalRisk 1, hidden metal: recycled timber often contains nails, screws, bolts and staples. If a saw, planer or thicknesser blade hits metal, the blade can shatter or chip and throw fragments, or the board can kick back, causing eye, face and hand injuries.T13.2 · Control 1Control: inspect each board, scan it with a metal detector, and remove all metal with a pinch bar or nail punch before any machining. Wear eye and face protection.T13.3 · ContaminationRisk 2, contamination: old boards may be coated in lead-based paint, treated with CCA (copper chrome arsenate) preservative, or contaminated with mould or asbestos. Sanding or machining them creates toxic dust that can be breathed in.T13.4 · Control 2Control: find out the timber's history, test paint for lead, don't machine or burn CCA-treated timber, and use dust extraction with a P2 respirator. Dispose of waste correctly.T13.5 · Exam tipLink each risk specifically to recycled timber, not general workshop risks (NESA feedback, 2024).

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